EUVD-2026-71635
GHSA-hh4r-pcm9-jh93
Severity by source
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Local vector because execution is on the deploy host; AC:H for multi-step chain requiring malicious file delivery plus active user deployment; UI:R for required developer action.
Primary rating from Vendor (AMZN).
CVSS VectorVendor: AMZN
Lifecycle Timeline
2DescriptionCVE.org
Improper neutralization of special elements used in a template engine in the CDK generator in Amazon awslabs.dynamodb-mcp-server before 2.1.6 might allow a context-dependent actor to execute arbitrary code on the host that deploys the generated application via crafted table, index, or attribute names in a data model file.
AnalysisAI
Template injection in the AWS CDK generator component of Amazon's awslabs.dynamodb-mcp-server allows a context-dependent attacker to achieve arbitrary code execution on the host machine that processes and deploys the generated CDK application. The attack surface is the data model file: crafted DynamoDB table, index, or attribute names containing template engine directives are passed unsanitized through the CDK generator, with payload execution occurring at deploy time. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires two specific conditions to be simultaneously satisfied: (1) the attacker must be able to place crafted content in a DynamoDB data model file that the target will process - this can be via direct repository write access, a compromised upstream dependency that generates model files, or social engineering; and (2) the targeted developer or CI pipeline must actively invoke the CDK generator on that file and proceed to deploy the generated artifact. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 7.1 accurately reflects several risk-tempering factors: AV:L constrains the attack to local file access on the deployment host, AT:P captures the required precondition (a malicious data model file must reach the developer's environment), and UI:A confirms that a human must actively trigger the CDK generation and deployment. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to awslabs.dynamodb-mcp-server 2.1.6 or later via pip: `pip install --upgrade awslabs.dynamodb-mcp-server`. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all CDK environments using awslabs.dynamodb-mcp-server and document current versions. …
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